diff --git a/src/engine/init/omp.bash b/src/engine/init/omp.bash
index 4ceee0d7..0add537b 100644
--- a/src/engine/init/omp.bash
+++ b/src/engine/init/omp.bash
@@ -46,5 +46,5 @@ function export_poshconfig() {
     if [ -z "$format" ]; then
       format="json"
     fi
-    ::OMP:: --config="$POSH_THEME" --print-config --config-format="$format" > $1
+    ::OMP:: --config="$POSH_THEME" --print-config --format="$format" > $1
 }
diff --git a/src/engine/init/omp.fish b/src/engine/init/omp.fish
index f226d518..53d7dee3 100644
--- a/src/engine/init/omp.fish
+++ b/src/engine/init/omp.fish
@@ -42,5 +42,5 @@ function export_poshconfig
   if not test -n "$format"
     set format "json"
   end
-  ::OMP:: --config $POSH_THEME --print-config --config-format $format > $file_name
+  ::OMP:: --config $POSH_THEME --print-config --format $format > $file_name
 end
diff --git a/src/engine/init/omp.ps1 b/src/engine/init/omp.ps1
index dbd201ba..4efd1c59 100644
--- a/src/engine/init/omp.ps1
+++ b/src/engine/init/omp.ps1
@@ -149,7 +149,7 @@ function global:Export-PoshTheme {
 
     $config = $env:POSH_THEME
     $omp = "::OMP::"
-    $configString = @(&$omp --config="$config" --config-format="$Format" --print-config 2>&1)
+    $configString = @(&$omp --config="$config" --format="$Format" --print-config 2>&1)
     # if no path, copy to clipboard by default
     if ($FilePath -ne "") {
         #https://stackoverflow.com/questions/3038337/powershell-resolve-path-that-might-not-exist
diff --git a/src/engine/init/omp.zsh b/src/engine/init/omp.zsh
index 47ab0bc4..df5b5e8a 100644
--- a/src/engine/init/omp.zsh
+++ b/src/engine/init/omp.zsh
@@ -51,7 +51,7 @@ function export_poshconfig() {
     if [ -z "$format" ]; then
       format="json"
     fi
-    ::OMP:: --config="$POSH_THEME" --print-config --config-format="$format" > $1
+    ::OMP:: --config="$POSH_THEME" --print-config --format="$format" > $1
 }
 
 function self-insert() {